nix-forecast: init at 0.1.0 (#354661)

pkgs/by-name/ni/nix-forecast/package.nix

@@ -0,0 +1,55 @@
+{
+  lib,
+  fetchFromGitHub,
+  installShellFiles,
+  makeBinaryWrapper,
+  nix,
+  rustPlatform,
+  versionCheckHook,
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "nix-forecast";
+  version = "0.1.0";
+
+  src = fetchFromGitHub {
+    owner = "getchoo";
+    repo = "nix-forecast";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-jfS7DXEIVHihC0/kH9W8ZJDOjoWuxdRvLMfzknElvrg=";
+  };
+
+  cargoHash = "sha256-EHqHdcMI1K7DqhmFfr0ipfAsyM7cP9/22bMs4uIV2To=";
+
+  nativeBuildInputs = [
+    installShellFiles
+    makeBinaryWrapper
+  ];
+
+  doInstallCheck = true;
+  nativeInstallCheckInputs = [ versionCheckHook ];
+
+  # NOTE: Yes, we specifically need Nix. Lix does not have the newer
+  # `path-info --json` output used internally
+  postInstall = ''
+    wrapProgram $out/bin/nix-forecast --prefix PATH : ${lib.makeBinPath [ nix ]}
+
+    installShellCompletion --cmd nix-forecast \
+      --bash completions/nix-forecast.bash \
+      --fish completions/nix-forecast.fish \
+      --zsh completions/_nix-forecast
+  '';
+
+  env = {
+    COMPLETION_DIR = "completions";
+  };
+
+  meta = {
+    description = "Check the forecast for today's Nix builds";
+    homepage = "https://github.com/getchoo/nix-forecast";
+    changelog = "https://github.com/getchoo/nix-forecast/releases/tag/${version}";
+    license = lib.licenses.mpl20;
+    maintainers = with lib.maintainers; [ getchoo ];
+    mainProgram = "nix-forecast";
+  };
+}